fix: edge start and end were not being mapped correctly

[RobPasMue]

Description

Edge start and end values were not being mapped correctly. They should be using the server length when converted.

Issue linked

Closes #1813

Checklist

• I have tested my changes locally.
• I have added necessary documentation or updated existing documentation.
• I have followed the coding style guidelines of this project.
• I have added appropriate unit tests.
• I have reviewed my changes before submitting this pull request.
• I have linked the issue or issues that are solved to the PR if any.
• I have assigned this PR to myself.
• I have added the minimum version decorator to any new backend method implemented.
• I have made sure that the title of my PR follows Conventional commits style (e.g. feat: extrude circle to cylinder)

[codecov]

Codecov Report

Attention: Patch coverage is 83.33333% with 1 line in your changes missing coverage. Please review.

Project coverage is 90.63%. Comparing base (f26f02c) to head (bbe50d8).
Report is 1 commits behind head on blitz.

Files with missing lines	Patch %	Lines
...ansys/geometry/core/shapes/curves/trimmed_curve.py	50.00%	1 Missing ⚠️

Additional details and impacted files

@@           Coverage Diff           @@
##            blitz    #1816   +/-   ##
=======================================
  Coverage   90.63%   90.63%           
=======================================
  Files          92       92           
  Lines        8507     8508    +1     
=======================================
+ Hits         7710     7711    +1     
  Misses        797      797           

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